Joseph Michael Lach, DO
Family Medicine Physician · Joliet, IL
Joseph Michael Lach, DO is a family medicine physician with a practice address in Joliet, Illinois, and NPI 1225379498, issued on Mar 12, 2013. Check the license (Illinois 036138941, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Joseph Michael Lach
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036138941 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1051 Essington RD Ste 265, Joliet, IL 60435
- Phone
- (815) 300-7764
- Enumerated
- Mar 12, 2013
- Record last updated
- Aug 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20151013000535); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 2013
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Verify Joseph Michael Lach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036138941Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% more Medicare Part D claims than the average family medicine physician in 2024
7,021 Medicare Part D claims for 443 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 164 claims were for opioids.
Most prescribed
- Atorvastatin Calcium453 claims
- Levothyroxine Sodium295 claims
- Amlodipine Besylate265 claims
- Lisinopril225 claims
- Metoprolol Succinate219 claims
- Rosuvastatin Calcium194 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $519.25
29 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Health Service Systems, IncNew Lenox, IL
- Premier Suburban Medical Group, PLLCNew Lenox, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Michael Lach among 6,215 family medicine physician records in Illinois
Joseph Michael Lach, DO is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 64% of them.
- NPI issued2013 · 64% of these records are older, 34% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2013 · median 2006 among the 3,714 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
37 family medicine physician records list a practice address in Joliet
They are 37 of the 2,047 NPPES records with a practice address in Joliet, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Joliet → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mariah Cameron, MDJoliet, IL 604351578547113
- Estelle Fletcher, MD, PHDJoliet, IL 604351659320133
- Bhavesh Gandhi, MDJoliet, IL 604351417994013
- Eileen Heffernan, M.D.Joliet, IL 604351609862382
- Asavari Javeri, M.D.Joliet, IL 604351073558466
- Sergei Kravets, M.D.Joliet, IL 604351386686012
- Wael McTabi, MDJoliet, IL 604351144269093
- Rupa Natesh, MDJoliet, IL 604351548217086
Common questions
What is Joseph Michael Lach, DO's NPI number?
Joseph Michael Lach, DO's National Provider Identifier (NPI) is 1225379498, issued on Mar 12, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Michael Lach, DO located?
The NPPES record lists a practice address at 1051 Essington RD Ste 265, Joliet, IL, 60435. Phone: (815) 300-7764. Providers update this record themselves, so call before visiting.
How can I verify Joseph Michael Lach, DO's license?
NPPES lists Illinois license number 036138941, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joseph Michael Lach, DO prescribe under Medicare Part D?
In 2024, Joseph Michael Lach, DO had 7,021 Medicare Part D claims for 443 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.